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The Central Great Plains are a prairie ecoregion of the central United States, part of North American Great Plains. The region runs from west-central Texas through west-central Oklahoma, central Kansas, and south-central Nebraska. It is designated as the Central and Southern Mixed Grasslands ecoregion by the World Wide Fund for Nature.
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
Each subregion includes the area drained by a river system, a reach of a river and its tributaries in that reach, a closed basin or basins, or a group of streams forming a coastal drainage area. [6] Regions receive a two-digit code. The following levels are designated by the addition of another two digits. [7]
More storms packing heavy rain and damaging winds will continue to prowl portions of the central United States well into July. As flood waters recede in some areas, new rain will push river levels ...
The Great Plains ecoregion comprises a number of water bodies which play an integral role in its unique hydrology. There are thirteen rivers that are considered to be located within the Great Plains region. Most of the rivers that originate in the Rocky Mountain region in the west are a source of irrigation for farms. These rivers benefit ...
Along with the threat of lightning strikes associated with thunderstorms, it is possible that a wall of water could rush down through the valleys and canyons in the region as heavy rain falls ...
A system over the central and southern Plains in addition to a new system emerging from the western United States could be the spark that ignites a risk for severe weather later this week and into ...
The physiographic regions of the contiguous United States comprise 8 divisions, 25 provinces, and 85 sections. [1] The system dates to Nevin Fenneman's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4]